<?php
/**
 * Created by PhpStorm.
 * User: leiyuqing02
 * Date: 30/10/2018
 * Time: 10:56 PM
 */

namespace common\models;


class UUID
{
    public static function getUUID() {
        return time() . \Yii::$app->security->generateRandomString(5);
    }
}